ServiceCollectionDescriptorExtensions.TryAddSingleton 方法

定义

命名空间:

Microsoft.Extensions.DependencyInjection.Extensions

程序集:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

包:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0-rc.1.24431.7

重载

TryAddSingleton(IServiceCollection, Type, Type)	如果服务类型尚未注册，则使用 implementationType 实现将指定的 service 作为 Singleton 服务添加到 collection 中。
TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	如果服务类型尚未注册，则使用 implementationFactory 中指定的中心将指定的 service 作为 Singleton 服务添加到 collection 中。
TryAddSingleton(IServiceCollection, Type)	如果服务类型尚未注册，则将指定的 service 作为 Singleton 服务添加到 collection 中。
TryAddSingleton<TService,TImplementation>(IServiceCollection)	如果服务类型尚未注册，则将指定的 TService 作为 TImplementation 中指定的 Singleton 服务实现类型添加到 collection 中。
TryAddSingleton<TService>(IServiceCollection)	如果服务类型尚未注册，则将指定的 TService 作为 Singleton 服务添加到 collection 中。
TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	如果服务类型尚未注册，则使用 implementationFactory 中指定的中心将指定的 TService 作为 Singleton 服务添加到 services 中。
TryAddSingleton<TService>(IServiceCollection, TService)	如果服务类型尚未注册，则将指定的 TService 作为包含 instance 中指定的实例的 Singleton 服务添加到 collection 中。

TryAddSingleton(IServiceCollection, Type, Type)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则使用 implementationType 实现将指定的 service 作为 Singleton 服务添加到 collection 中。

public:
[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, Type ^ implementationType);

public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, Type implementationType);

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Type -> unit

<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type, implementationType As Type)

参数

collection

IServiceCollection

IServiceCollection

service

Type

要注册的服务类型。

implementationType

Type

服务的实现类型。

TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则使用 implementationFactory 中指定的中心将指定的 service 作为 Singleton 服务添加到 collection 中。

public:
[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, Func<IServiceProvider ^, System::Object ^> ^ implementationFactory);

public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, Func<IServiceProvider,object> implementationFactory);

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Func<IServiceProvider, obj> -> unit

<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type, implementationFactory As Func(Of IServiceProvider, Object))

参数

collection

IServiceCollection

IServiceCollection

service

Type

要注册的服务类型。

implementationFactory

Func<IServiceProvider,Object>

用于创建服务的工厂。

TryAddSingleton(IServiceCollection, Type)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 service 作为 Singleton 服务添加到 collection 中。

public:
[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service);

public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service);

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type -> unit

<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type)

参数

collection

IServiceCollection

IServiceCollection

service

Type

要注册的服务类型。

TryAddSingleton<TService,TImplementation>(IServiceCollection)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 TService 作为 TImplementation 中指定的 Singleton 服务实现类型添加到 collection 中。

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection);

public static void TryAddSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection) where TService : class where TImplementation : class, TService;

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> unit (requires 'Service : null)

<Extension()>
Public Sub TryAddSingleton(Of TService As Class, TImplementation As Class) (collection As IServiceCollection)

类型参数

TService

要添加的服务类型。

TImplementation

要使用的实现的类型。

参数

collection

IServiceCollection

IServiceCollection

TryAddSingleton<TService>(IServiceCollection)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 TService 作为 Singleton 服务添加到 collection 中。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection);

public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection) where TService : class;

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> unit (requires 'Service : null)

<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (collection As IServiceCollection)

类型参数

TService

要添加的服务类型。

参数

collection

IServiceCollection

IServiceCollection

TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则使用 implementationFactory 中指定的中心将指定的 TService 作为 Singleton 服务添加到 services 中。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TService> ^ implementationFactory);

public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TService> implementationFactory) where TService : class;

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, 'Service (requires 'Service : null)> -> unit (requires 'Service : null)

<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TService))

类型参数

TService

要添加的服务类型。

参数

services

IServiceCollection

IServiceCollection

implementationFactory

Func<IServiceProvider,TService>

用于创建服务的工厂。

TryAddSingleton<TService>(IServiceCollection, TService)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 TService 作为包含 instance 中指定的实例的 Singleton 服务添加到 collection 中。

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static void TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, TService instance);

public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, TService instance) where TService : class;

static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * 'Service -> unit (requires 'Service : null)

<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (collection As IServiceCollection, instance As TService)

类型参数

TService

要添加的服务类型。

参数

collection

IServiceCollection

IServiceCollection

instance

TService

要添加的服务的实例。